The Kardashian sisters are reportedly being sued for more than $75 million (Â£50 million) after pulling out of a controversial young persons' credit card campaign.

The reality show siblings announced in November their decision to axe the Kardashian Prepaid MasterCard - which was designed to teach teenagers financial responsibility by awarding them a small amount of credit - following accusations that the product contained "outrageous" hidden fees.

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However, TMZ reports that Kim, Khloe and Kourtney are now being sued for breach of contract by the company behind the scheme, Revenue Resource Group, who claim that their reputation has been severely damaged by the sisters' decision to pull out of the two-year endorsement deal.

Kim recently expressed her displeasure at a scathing Saturday Night Livesketch which mocked the trio and their financial product.